@misc{indiciae0414b57023ee,
  title = {Geologic and grade-volume data on 330 gold placer deposits},
  author = {G. J. Orris and J. D. Bliss},
  year = {1985},
  doi = {10.3133/ofr85213},
  url = {https://pubs.usgs.gov/publication/ofr85213},
  note = {Source identifier: ofr85213}
}